W DOC AIRBUS | AMM A320F

Removal of the Seat-to-Seat Cables

TASK 25-21-61-000-001-A
Removal of the Seat-to-Seat Cables

ZONE: 200
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
SCRAPER - NON METALLIC
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
200
UPPER HALF FUSELAGE
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 25-23-44-000-001-A
Removal of the Lower Sidewall Panels (Dado Panels)
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Seat-to-Seat Cables ** ON A/C NOT FOR ALL
F Raceway
3. Job Set-up
Subtask 25-21-61-861-050-A ** ON A/C NOT FOR ALL
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 25-21-61-010-050-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Remove the lower sidewall panels at the locations of the power wall disconnect-boxes (Ref. AMM TASK 25-23-44-000-001).
Subtask 25-21-61-865-056-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VUIFE-IFEC-AC22MKC04
** ON A/C NOT FOR ALL
2000VUIFE/SEAT-POWER-PAX SYS20MKD08
** ON A/C NOT FOR ALL
2000VUINSEAT POWER-MCU 259HPB08
2000VUINSEAT POWER-MCU 158HPB05
** ON A/C NOT FOR ALL
2000VUIFE-IFEC-AC22MKC06
** ON A/C NOT FOR ALL
2000VUSEAT POWER-MCU 259HPB08
2000VUSEAT POWER-MCU 158HPB05
** ON A/C NOT FOR ALL
2000VUPES-MUSIC - CTL21MKD01
** ON A/C NOT FOR ALL
2000VUPES-MUSIC-CABIN AFT-RH25MKD05
2000VUPES-MUSIC-CABIN AFT-LH22MKD04
2000VUPES-MUSIC-CABIN FWD-RH24MKD03
2000VUPES-MUSIC-CABIN FWD-LH23MKD02
** ON A/C NOT FOR ALL
2000VUPES-MUSIC-CTL21MKD01
4. Procedure
Subtask 25-21-61-020-050-M ** ON A/C NOT FOR ALL
A. Removal of the Cables - Seat to Seat
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
   (1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
   (2) Remove the covers:
     (a) Release the fasteners (2) and remove the covers (1) from the related seats.
     (b) Remove the carpet as far as necessary to get access to the race way covers (9).
     (c) Open the race way covers (9).
     (d) Remove the applicable seat track covers (17) from the seat tracks.
     (e) Remove the covers (11) and (12) from the race ways.
     (f) Open the covers (14).
     (g) Remove the cable outlets (16) from the race ways.
   (3) Disconnect the electrical connectors:
     (a) Disconnect the electrical connectors (4) from the electronic boxes.
     (b) Remove the screws (8) and the brackets (7) from the aircraft structure.
     (c) Remove the screws (5) and the clamps (6).
     (d) Disconnect the electrical connectors (10) from the power wall disconnect-boxes.
     (e) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (4) Remove the cables:
     (a) Cut and discard the cable ties (13).
     (b) Carefully remove the cables (3).
Subtask 25-21-61-020-050-S ** ON A/C NOT FOR ALL
A. Removal of the Cables - Seat to Seat
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
   (1) Remove the covers:
     (a) Release the fasteners (2) and remove the covers (1).
     (b) Release the fasteners (8) and remove the covers (9) from the wall disconnect boxes.
     (c) Remove the carpet as far as necessary to get access to the race ways (11).
     (d) Open the race ways (11).
     (e) Remove the seat track covers (16) from the seat tracks.
     (f) Remove the covers (12) and (13) from the race ways.
     (g) Open the covers (14).
     (h) Remove the cable outlets (15) from the race ways.
   (2) Disconnect the electrical connectors:
     (a) Release the spring latches (3).
     (b) Disconnect the electrical connectors (7) from the wall disconnect boxes.
     (c) Disconnect the electrical connectors (10) from the seat electronic boxes.
     (d) Put a CAP - BLANKING on each disconnected electrical connector.
   (3) Remove the cables:
     (a) Record the routing of the cables (6).
     (b) Cut and discard the necessary cable ties (5).
     (c) Carefully remove the cables (6).
Subtask 25-21-61-020-050-CV ** ON A/C NOT FOR ALL
A. Removal of the Cables - Seat to Seat
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
F Cables - Seat to Seat ** ON A/C NOT FOR ALL
   (1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
   (2) Remove the covers:
     (a) Release the fasteners (2) and remove the covers (1) from the related seats.
     (b) Remove the carpet as far as necessary to get access to the race way covers (12).
     (c) Open the race way covers (12).
     (d) Remove the applicable seat track covers (18) from the seat tracks.
     (e) Remove the covers (14),(15) and the cable outlets (17) from the race ways.
     (f) Open the covers (16).
   (3) Disconnect the electrical connectors:
     (a) Disconnect the electrical connectors (5) from the brackets.
     (b) Remove the screws (11) and the brackets (10) from the aircraft structure.
     (c) Remove the screws (8) and the clamps (9).
     (d) Disconnect the electrical connectors (13) from the power wall disconnect-boxes.
     (e) Put a CAP - BLANKING on each disconnected electrical connector.
   (4) Remove the cables:
     (a) Release the cables (6) from the clamps (7), if installed.
     (b) Cut and discard the cable ties (4).
     (c) Carefully remove the cables (6).
Subtask 25-21-61-020-050-PE ** ON A/C NOT FOR ALL
A. Removal of the Seat-to-Seat Cables
F Seat-to-Seat Cables ** ON A/C NOT FOR ALL
   (1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
   (2) Remove the covers as follows:
     (a) On the Business Class (B/C) seat:
       1 Remove the screw (1), the washer (2) and the cover (3).
       2 Release the fasteners (5) and (10) and remove the covers (4) and (9).
     (b) On the tourist class seat, release the fasteners (12) and (14) and remove the covers (11) and (13).
     (c) Remove the carpet as far as necessary to get access to the raceway covers (23).
     (d) Open the raceway covers (23).
     (e) Remove the applicable seat track cover (28) from the seat track.
     (f) Remove the covers (25) and (26) and the cable outlets (27) from the raceway.
     (g) Open the covers (24).
   (3) Disconnect the electrical connectors as follows:
     (a) Disconnect the electrical connectors (15) from the In-Seat Power Supply Unit (ISPSU).
     (b) Disconnect the electrical connector (17) from the bracket.
     (c) Remove the screws (20) and the bracket (21) from the aircraft structure.
     (d) Remove the screws (18) and the clamps (19).
     (e) Disconnect the electrical connectors (22) from the power wall disconnect-box.
     (f) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (4) Remove the cables (6) as follows:
     (a) Record the routing of the cables (6).
     (b) Open the clamps (16).
     (c) Cut and discard the cable ties (7).
     (d) Carefully remove the cables (6).
Subtask 25-21-61-020-051-A ** ON A/C NOT FOR ALL
B. Removal of the Raceway
F Raceway ** ON A/C NOT FOR ALL
CAUTION: DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF CARBONFIBER REINFORCED PLASTIC.
   (1) If necessary, remove the raceways:
     (a) With the SCRAPER - NON METALLIC, carefully lift the raceway (1) and remove it from the floor panel.
[Rev.10 from 2021] 2026.04.01 12:47:17 UTC
"Aviabrain" 2025